Date:         Fri, 2 Nov 2001 17:30:58 -0500
Reply-To:     Tom Frenkel <taf2@NYU.EDU>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Tom Frenkel <taf2@NYU.EDU>
Subject:      Re: Wow! - Thanks - RE: Simple Base SAS Qn.
In-Reply-To:  <20011102221457.26497.qmail@web13208.mail.yahoo.com>
Content-Type: TEXT/PLAIN; charset=US-ASCII

Just don't use the LENGTH function to check how many Y's are left.  Even
if all the characters are gone, you would still get a value of 1!  In
other words, the LENGTH function returns a value of 1 for a "missing"
character value.

        --Tom
        Tom Frenkel <taf2@nyu.edu>
        http://homepages.nyu.edu/~taf2

> > you could compress out all letters other than Y and
> > test the length, ie
> > number of characters remaining.

> >        How to count # of times a particular letter
> > appears in a string.
> >
> > For Example:  I need to count how many Ys are in the
> > string
> >
> > 'NNNNYNNNNNNYYYNYYYNNYNNYNNNNYYYNNYYY'